136223776 has 48 divisors (see below), whose sum is σ = 290012184. Its totient is φ = 62613504.

The previous prime is 136223761. The next prime is 136223777. The reversal of 136223776 is 677322631.

136223776 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 97535376 + 38688400 = 9876^2 + 6220^2 .

It is not an unprimeable number, because it can be changed into a prime (136223777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131356 + ... + 132388.

Almost surely, 2^136223776 is an apocalyptic number.

136223776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136223776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145006092).

136223776 is an abundant number, since it is smaller than the sum of its proper divisors (153788408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136223776 is a wasteful number, since it uses less digits than its factorization.

136223776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373 (or 1365 counting only the distinct ones).

The product of its digits is 63504, while the sum is 37.

The square root of 136223776 is about 11671.4941631310. The cubic root of 136223776 is about 514.5382180396.

The spelling of 136223776 in words is "one hundred thirty-six million, two hundred twenty-three thousand, seven hundred seventy-six".